Update translation files

Updated by "Cleanup translation files" hook in Weblate.

Co-authored-by: Hosted Weblate <hosted@weblate.org>
Translate-URL: https://hosted.weblate.org/projects/invidious/translations/
Translation: Invidious/Invidious Translations

locales/sk.json

@@ -36,8 +36,6 @@
     "User ID": "ID používateľa",
     "Password": "Heslo",
     "Time (h:mm:ss):": "Čas (h:mm:ss):",
-    "Text CAPTCHA": "Textové CAPTCHA",
-    "Image CAPTCHA": "Obrázkové CAPTCHA",
     "Sign In": "Prihlásiť sa",
     "Register": "Registrovať",
     "E-mail": "E-mail",